Section 1 of the Principal Act is amended by the substitution of the following subsection for subsection (1):
"(1) In this Act -
"ammunition" (except where used in relation to a prohibited weapon) means ammunition for a firearm and includes -
(a) grenades, bombs and other similar missiles, whether or not capable of being used with a firearm,
(b) any ingredient or component part of any such ammunition or missile, and
(c) restricted ammunition, unless the context otherwise requires;
"Commissioner" means the Commissioner of the Garda Síochána or a member of the Garda Síochána, or members of a particular rank in the Garda Síochána, not below the rank of superintendent appointed in writing by the Commissioner for the purpose of performing any of the Commissioner’s functions under this Act;
"firearm" means -
(a) a lethal firearm or other lethal weapon of any description from which any shot, bullet or other missile can be discharged,
(b) an air gun (including an air rifle and air pist
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